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Are Sequential Round-Robin Tournaments Discriminatory?

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  • Marco Sahm

Abstract

I examine sequential round-robin tournaments with three and four symmetric players. Each player is matched once with each other player. If the matches are organized as Tullock contests (all-pay auctions), the tournament will be almost fair (highly discriminatory): subject to the position of their matches in the sequence of the tournament, the differences in players’ ex-ante winning probabilities and expected payoffs will be small (large). The differing results originate from the higher discriminating power of the all-pay auction. Moreover, the resulting discouragement effect in tournaments with all-pay auctions implies lower aggregate effort than in tournaments with suitable Tullock contests. The fairness of round-robin tournaments may be improved by the use of an endogenous sequence of matches or the requirement that players fix their effort ex-ante.

Suggested Citation

  • Marco Sahm, 2017. "Are Sequential Round-Robin Tournaments Discriminatory?," CESifo Working Paper Series 6421, CESifo.
    • Handle: RePEc:ces:ceswps:_6421
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    References listed on IDEAS

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    5. Krumer, Alex & Lechner, Michael, 2016. "First In First Win: Evidence on Unfairness of Round-Robin Tournaments in Mega-Events," Economics Working Paper Series 1611, University of St. Gallen, School of Economics and Political Science.
    6. Stefan Szymanski & Stefan Késenne, 2010. "Competitive Balance and Gate Revenue Sharing in Team Sports," Palgrave Macmillan Books, in: The Comparative Economics of Sport, chapter 7, pages 229-243, Palgrave Macmillan.
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    Citations

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    Cited by:

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    3. March, Christoph & Sahm, Marco, 2018. "Contests as selection mechanisms: The impact of risk aversion," Journal of Economic Behavior & Organization, Elsevier, vol. 150(C), pages 114-131.
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    6. Dmitry Dagaev & Andrey Zubanov, 2022. "Round-robin tournaments with limited resources," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 59(3), pages 525-583, October.
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    8. Christoph Laica & Arne Lauber & Marco Sahm, 2017. "Sequential Round-Robin Tournaments with Multiple Prizes," CESifo Working Paper Series 6685, CESifo.
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    11. Lustenhouwer, Joep & Mavromatis, Kostas, 2017. "Fiscal consolidations and finite planning horizons," BERG Working Paper Series 130, Bamberg University, Bamberg Economic Research Group.

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    More about this item

    Keywords

    sequential round-robin tournament; contest success function; discriminatory power; Tullock contest; all-pay auction;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • Z20 - Other Special Topics - - Sports Economics - - - General

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